Music teaching aid
Patent Information
- Authority / Receiving Office
- US ยท United States
- Patent Type
- Patents(United States)
- Current Assignee / Owner
- MUSACUS INT
- Publication Date
- 2000-02-29
- Estimated Expiration
- Not applicable ยท inactive patent
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Abstract
Description
The invention relates to a music teaching aid, in particular, a device that can be used to calculate various forms of musical scales and display them in all keys simultaneously.Sounds recognised as music can be characterized generally in terms of rhythm and pitch. The pitch is determined by the frequency of the sound wave that is produced by a musical instrument or human larynx. The difference in pitch between a wave of frequency f and a wave of frequency 2f is termed octave and is subdivided into eight "notes" which when played in succession comprise a scale.An octave, more specifically, consists of 12 half-notes or semitones which when played successively produce a chromatic scale (ie C, C#, D, D#, E, F, F#, G, G#, A, A# and B). The difference in pitch or interval spanning two semitones is called a tone and the sequences of tones and semitones characterize a variety of non-chromatic scales such as the major, harmonic minor and melodic minor scales. The ascending major scale for ex...